VLT
®
FCD Series
■ Optimal braking using resistor
Dynamic braking is useful from maximum speed
down to around 8% of rated speed. Below 8%
speed DC braking can be used if necessary.
The most effective method is to switch from dynamic
to DC braking.
■ Brake cable
Max. length [m]: 10 m
The connection cable to the brake resistor must be
screened/armoured. Connect the screen to the con-
ductive backplate at the frequency converter and to
the brake resistor metal cabinet by means of cable
clamps.
NB!:
If Danfoss brake resistors are not used,
it must be ensured that induction for the brake
resistor is low.
MG.04.A1.02 - VLT is a registered Danfoss trade mark
19
Introduction to FCD 300
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